I'm looking at what is needed for qt4. It is significantly different
from qt3, but I need if for a work application as well as it being a
prereq for kde4.
The libraries and headers for qt3 and qt4 do not seem to conflict. Most
things for qt3 starts with qt* and most things for qt4 start with Qt*.
There are some places where there are name conflicts such as qstring.h,
but those are in a different directory structure. For example:
/opt/qt-3.3.8/include/qstring.h
/opt/qt-4.3.4/include/Qt/qstring.h
/opt/qt-4.3.4/include/QtCore/qstring.h
The last two are both installed as regular files, but are identical.
In any case the build instructions are a bit simplier:
Full:
VERSION=4.3.4
./configure \
-prefix /opt/qt-$VERSION \
-release &&
make &&
sudo make install
Time: 27 SBU
Space: 1914 MB ! ( 1.5 GB build, 361 MB install )
Essential:
./configure \
-prefix /opt/qt-$VERSION \
-release \
-nomake examples \
-nomake demos \
-no-separate-debug-info &&
make &&
sudo make install
Time: 13.5 SBU
Space: 608 MB
There does not seem to be a need to use QTDIR, LD_LIBRARY_PATH, or to
modify PATH. The docs and examples are installed by default in
PREFIX/doc and PREFIX/examples respectively.
I've always put qt into /opt for the flexibility of being able to have
multiple versions and to be able to install a new version from kde
without stepping on the current install like happens if installing with
a /usr prefix.
For BLFS, I'm inclined to use the essential configuration above as the
default with explanations to modify -prefix, -docdir, -demosdir, and
-examplesdir according to the user's preference.
There are no man pages. The docs are all html.
Thoughts?
-- Bruce
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